Table 2.
Incidence of internal hernia according to gastrectomy type
| Variables | Open (N = 1510) | Laparoscopy (N = 4964) | |
|---|---|---|---|
| Multi-port (N = 4653) | Single port (N = 311) | ||
| DG | 9/1026 (0.9%) | 50/3729 (1.4%) | 13/294 (4.4%) |
| BI | 0/571 (0%) | 0/1769 (0%) | 0/21 (0%) |
| BII | 4/280 (1.4%) | 5/511 (1.0%) | 0/41 (0%) |
| RY | 2/28 (7.1%) | 5/90 (5.6%) | 0/32 (0%) |
| uRY | 3/147 (2.0%) | 40/1359 (2.9%) | 13/200 (6.5%) |
| TG RY | 4/475 (0.8%) | 29/638 (4.5%) | 0/9 (0%) |
| PG EG | 0/3 (0%) | 0/36 (0%) | 0/0 |
| PG DTR | 1/6 (16.7%) | 4/250 (1.6%) | 1/8 (12.5%) |
| N | 14/1510 (0.9%) | 83/4653 (1.8%) | 14/311 (4.5%) |
DG distal gastrectomy, TG total gastrectomy, PG proximal gastrectomy, BI Billroth I, BII Billroth II, RY Roux-en-Y, uRY uncut Roux-en-Y, EG esophagogastrostomy, DTR double tract reconstruction